./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11bff6cd42e59c1eface46e47cb7e4e4f51a04703472e58b1bb7c25b58842408 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 10:49:52,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:49:52,683 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:49:52,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:49:52,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:49:52,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:49:52,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:49:52,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:49:52,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:49:52,716 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:49:52,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:49:52,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:49:52,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:49:52,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:49:52,719 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:49:52,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:49:52,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:49:52,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:49:52,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:49:52,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:49:52,720 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:49:52,724 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:49:52,724 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:49:52,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:49:52,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:49:52,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:49:52,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:49:52,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:49:52,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:49:52,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:49:52,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:49:52,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:49:52,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:49:52,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:49:52,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:49:52,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:49:52,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:49:52,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:49:52,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:49:52,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:49:52,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:49:52,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:49:52,729 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff6cd42e59c1eface46e47cb7e4e4f51a04703472e58b1bb7c25b58842408 [2024-11-09 10:49:52,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:49:52,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:49:52,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:49:52,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:49:52,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:49:52,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2024-11-09 10:49:54,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:49:54,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:49:54,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2024-11-09 10:49:54,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23c04a04/513ccf6e79994896b45afc3e5bd1362c/FLAGbdeeb021e [2024-11-09 10:49:54,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23c04a04/513ccf6e79994896b45afc3e5bd1362c [2024-11-09 10:49:54,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:49:54,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:49:54,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:49:54,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:49:54,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:49:54,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39836490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54, skipping insertion in model container [2024-11-09 10:49:54,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:49:54,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:49:54,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:49:54,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:49:54,563 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:49:54,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54 WrapperNode [2024-11-09 10:49:54,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:49:54,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:49:54,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:49:54,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:49:54,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,595 INFO L138 Inliner]: procedures = 19, calls = 15, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-09 10:49:54,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:49:54,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:49:54,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:49:54,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:49:54,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,616 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 10:49:54,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:49:54,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:49:54,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:49:54,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:49:54,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (1/1) ... [2024-11-09 10:49:54,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:49:54,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:49:54,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 10:49:54,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 10:49:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:49:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 10:49:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 10:49:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 10:49:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 10:49:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 10:49:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 10:49:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:49:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:49:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:49:54,701 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:49:54,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:49:54,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:49:54,940 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:49:54,940 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:49:55,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:49:55,046 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:49:55,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:55 BoogieIcfgContainer [2024-11-09 10:49:55,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:49:55,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:49:55,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:49:55,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:49:55,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:49:54" (1/3) ... [2024-11-09 10:49:55,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7007b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:49:55, skipping insertion in model container [2024-11-09 10:49:55,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:54" (2/3) ... [2024-11-09 10:49:55,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7007b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:49:55, skipping insertion in model container [2024-11-09 10:49:55,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:55" (3/3) ... [2024-11-09 10:49:55,057 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2024-11-09 10:49:55,069 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:49:55,070 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 10:49:55,070 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:49:55,106 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 10:49:55,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 49 transitions, 119 flow [2024-11-09 10:49:55,158 INFO L124 PetriNetUnfolderBase]: 2/46 cut-off events. [2024-11-09 10:49:55,158 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 10:49:55,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 2/46 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-11-09 10:49:55,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 57 places, 49 transitions, 119 flow [2024-11-09 10:49:55,168 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 45 transitions, 108 flow [2024-11-09 10:49:55,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:49:55,185 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31bb1b66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:49:55,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-09 10:49:55,204 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:49:55,204 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-09 10:49:55,205 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 10:49:55,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:55,207 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:55,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:55,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -193127818, now seen corresponding path program 1 times [2024-11-09 10:49:55,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:55,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132979978] [2024-11-09 10:49:55,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:55,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:55,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:55,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132979978] [2024-11-09 10:49:55,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132979978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:55,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:55,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 10:49:55,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530547022] [2024-11-09 10:49:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:55,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:49:55,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:55,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:49:55,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:49:55,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 49 [2024-11-09 10:49:55,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:55,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:55,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 49 [2024-11-09 10:49:55,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:55,864 INFO L124 PetriNetUnfolderBase]: 1388/2193 cut-off events. [2024-11-09 10:49:55,864 INFO L125 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES. [2024-11-09 10:49:55,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4425 conditions, 2193 events. 1388/2193 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 11629 event pairs, 608 based on Foata normal form. 2/2079 useless extension candidates. Maximal degree in co-relation 3985. Up to 1117 conditions per place. [2024-11-09 10:49:55,883 INFO L140 encePairwiseOnDemand]: 42/49 looper letters, 44 selfloop transitions, 5 changer transitions 1/63 dead transitions. [2024-11-09 10:49:55,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 63 transitions, 256 flow [2024-11-09 10:49:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:49:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:49:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 103 transitions. [2024-11-09 10:49:55,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7006802721088435 [2024-11-09 10:49:55,895 INFO L175 Difference]: Start difference. First operand has 53 places, 45 transitions, 108 flow. Second operand 3 states and 103 transitions. [2024-11-09 10:49:55,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 63 transitions, 256 flow [2024-11-09 10:49:55,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 63 transitions, 236 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 10:49:55,907 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 117 flow [2024-11-09 10:49:55,908 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2024-11-09 10:49:55,913 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -5 predicate places. [2024-11-09 10:49:55,913 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 117 flow [2024-11-09 10:49:55,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:55,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:55,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:55,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:49:55,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:55,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:55,916 INFO L85 PathProgramCache]: Analyzing trace with hash 495557236, now seen corresponding path program 1 times [2024-11-09 10:49:55,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:55,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937321981] [2024-11-09 10:49:55,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:55,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:55,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:55,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937321981] [2024-11-09 10:49:55,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937321981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:55,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:55,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 10:49:55,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251843064] [2024-11-09 10:49:55,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:55,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:49:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:55,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:49:55,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:49:56,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2024-11-09 10:49:56,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:56,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:56,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2024-11-09 10:49:56,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:56,201 INFO L124 PetriNetUnfolderBase]: 2053/3190 cut-off events. [2024-11-09 10:49:56,202 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-09 10:49:56,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6469 conditions, 3190 events. 2053/3190 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 16606 event pairs, 1611 based on Foata normal form. 0/3140 useless extension candidates. Maximal degree in co-relation 4806. Up to 2732 conditions per place. [2024-11-09 10:49:56,214 INFO L140 encePairwiseOnDemand]: 40/49 looper letters, 43 selfloop transitions, 7 changer transitions 0/61 dead transitions. [2024-11-09 10:49:56,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 61 transitions, 251 flow [2024-11-09 10:49:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:49:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:49:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-09 10:49:56,217 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2024-11-09 10:49:56,217 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 117 flow. Second operand 3 states and 91 transitions. [2024-11-09 10:49:56,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 61 transitions, 251 flow [2024-11-09 10:49:56,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 61 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 10:49:56,219 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 156 flow [2024-11-09 10:49:56,219 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2024-11-09 10:49:56,220 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2024-11-09 10:49:56,220 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 156 flow [2024-11-09 10:49:56,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:56,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:56,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:56,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 10:49:56,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:56,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:56,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1119709064, now seen corresponding path program 1 times [2024-11-09 10:49:56,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:56,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871403701] [2024-11-09 10:49:56,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:56,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:56,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:56,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871403701] [2024-11-09 10:49:56,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871403701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:56,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:56,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:49:56,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714232221] [2024-11-09 10:49:56,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:56,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:49:56,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:56,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:49:56,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:49:56,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-11-09 10:49:56,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:56,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:56,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-11-09 10:49:56,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:56,704 INFO L124 PetriNetUnfolderBase]: 2102/3781 cut-off events. [2024-11-09 10:49:56,706 INFO L125 PetriNetUnfolderBase]: For 228/234 co-relation queries the response was YES. [2024-11-09 10:49:56,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7815 conditions, 3781 events. 2102/3781 cut-off events. For 228/234 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 25456 event pairs, 685 based on Foata normal form. 38/3742 useless extension candidates. Maximal degree in co-relation 5960. Up to 1318 conditions per place. [2024-11-09 10:49:56,723 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 56 selfloop transitions, 15 changer transitions 7/97 dead transitions. [2024-11-09 10:49:56,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 97 transitions, 420 flow [2024-11-09 10:49:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 10:49:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 10:49:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 169 transitions. [2024-11-09 10:49:56,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.689795918367347 [2024-11-09 10:49:56,727 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 156 flow. Second operand 5 states and 169 transitions. [2024-11-09 10:49:56,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 97 transitions, 420 flow [2024-11-09 10:49:56,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 97 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 10:49:56,734 INFO L231 Difference]: Finished difference. Result has 55 places, 60 transitions, 227 flow [2024-11-09 10:49:56,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=227, PETRI_PLACES=55, PETRI_TRANSITIONS=60} [2024-11-09 10:49:56,734 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 2 predicate places. [2024-11-09 10:49:56,735 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 60 transitions, 227 flow [2024-11-09 10:49:56,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:56,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:56,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:56,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 10:49:56,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:56,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:56,737 INFO L85 PathProgramCache]: Analyzing trace with hash 430611782, now seen corresponding path program 2 times [2024-11-09 10:49:56,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:56,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472081993] [2024-11-09 10:49:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:56,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:56,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:56,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472081993] [2024-11-09 10:49:56,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472081993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:56,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:56,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:49:56,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861448628] [2024-11-09 10:49:56,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:56,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:49:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:56,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:49:56,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:49:56,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-11-09 10:49:56,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 60 transitions, 227 flow. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:56,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:56,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-11-09 10:49:56,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:57,196 INFO L124 PetriNetUnfolderBase]: 1953/3614 cut-off events. [2024-11-09 10:49:57,196 INFO L125 PetriNetUnfolderBase]: For 1814/1859 co-relation queries the response was YES. [2024-11-09 10:49:57,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9024 conditions, 3614 events. 1953/3614 cut-off events. For 1814/1859 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 24780 event pairs, 589 based on Foata normal form. 54/3580 useless extension candidates. Maximal degree in co-relation 6673. Up to 1161 conditions per place. [2024-11-09 10:49:57,213 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 56 selfloop transitions, 17 changer transitions 6/98 dead transitions. [2024-11-09 10:49:57,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 98 transitions, 495 flow [2024-11-09 10:49:57,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 10:49:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 10:49:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2024-11-09 10:49:57,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6816326530612244 [2024-11-09 10:49:57,214 INFO L175 Difference]: Start difference. First operand has 55 places, 60 transitions, 227 flow. Second operand 5 states and 167 transitions. [2024-11-09 10:49:57,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 98 transitions, 495 flow [2024-11-09 10:49:57,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 98 transitions, 495 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 10:49:57,217 INFO L231 Difference]: Finished difference. Result has 61 places, 63 transitions, 291 flow [2024-11-09 10:49:57,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=291, PETRI_PLACES=61, PETRI_TRANSITIONS=63} [2024-11-09 10:49:57,219 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places. [2024-11-09 10:49:57,219 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 63 transitions, 291 flow [2024-11-09 10:49:57,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:57,220 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:57,220 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:57,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 10:49:57,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:57,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash 164558312, now seen corresponding path program 3 times [2024-11-09 10:49:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:57,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589240509] [2024-11-09 10:49:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:57,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:57,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:57,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589240509] [2024-11-09 10:49:57,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589240509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:57,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:57,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 10:49:57,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058628502] [2024-11-09 10:49:57,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:57,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:49:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:57,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:49:57,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:49:57,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-11-09 10:49:57,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 63 transitions, 291 flow. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:57,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:57,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-11-09 10:49:57,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:57,612 INFO L124 PetriNetUnfolderBase]: 1390/2606 cut-off events. [2024-11-09 10:49:57,614 INFO L125 PetriNetUnfolderBase]: For 2756/2781 co-relation queries the response was YES. [2024-11-09 10:49:57,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7318 conditions, 2606 events. 1390/2606 cut-off events. For 2756/2781 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 16614 event pairs, 371 based on Foata normal form. 58/2599 useless extension candidates. Maximal degree in co-relation 6711. Up to 964 conditions per place. [2024-11-09 10:49:57,624 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 51 selfloop transitions, 24 changer transitions 26/118 dead transitions. [2024-11-09 10:49:57,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 118 transitions, 712 flow [2024-11-09 10:49:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 10:49:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 10:49:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions. [2024-11-09 10:49:57,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6530612244897959 [2024-11-09 10:49:57,625 INFO L175 Difference]: Start difference. First operand has 61 places, 63 transitions, 291 flow. Second operand 6 states and 192 transitions. [2024-11-09 10:49:57,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 118 transitions, 712 flow [2024-11-09 10:49:57,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 118 transitions, 675 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 10:49:57,630 INFO L231 Difference]: Finished difference. Result has 65 places, 63 transitions, 346 flow [2024-11-09 10:49:57,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=346, PETRI_PLACES=65, PETRI_TRANSITIONS=63} [2024-11-09 10:49:57,631 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 12 predicate places. [2024-11-09 10:49:57,632 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 63 transitions, 346 flow [2024-11-09 10:49:57,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:57,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:57,633 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:57,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 10:49:57,633 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:57,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1658686974, now seen corresponding path program 4 times [2024-11-09 10:49:57,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:57,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787860718] [2024-11-09 10:49:57,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:57,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:57,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787860718] [2024-11-09 10:49:57,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787860718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:57,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:57,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 10:49:57,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215233624] [2024-11-09 10:49:57,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:57,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 10:49:57,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:57,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 10:49:57,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 10:49:57,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-11-09 10:49:57,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 63 transitions, 346 flow. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:57,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:57,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-11-09 10:49:57,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:57,947 INFO L124 PetriNetUnfolderBase]: 643/1258 cut-off events. [2024-11-09 10:49:57,947 INFO L125 PetriNetUnfolderBase]: For 1481/1501 co-relation queries the response was YES. [2024-11-09 10:49:57,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3709 conditions, 1258 events. 643/1258 cut-off events. For 1481/1501 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6963 event pairs, 190 based on Foata normal form. 32/1253 useless extension candidates. Maximal degree in co-relation 1383. Up to 458 conditions per place. [2024-11-09 10:49:57,952 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 46 selfloop transitions, 20 changer transitions 18/101 dead transitions. [2024-11-09 10:49:57,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 101 transitions, 639 flow [2024-11-09 10:49:57,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 10:49:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 10:49:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 226 transitions. [2024-11-09 10:49:57,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.576530612244898 [2024-11-09 10:49:57,954 INFO L175 Difference]: Start difference. First operand has 65 places, 63 transitions, 346 flow. Second operand 8 states and 226 transitions. [2024-11-09 10:49:57,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 101 transitions, 639 flow [2024-11-09 10:49:57,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 101 transitions, 617 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-09 10:49:57,957 INFO L231 Difference]: Finished difference. Result has 72 places, 59 transitions, 335 flow [2024-11-09 10:49:57,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=335, PETRI_PLACES=72, PETRI_TRANSITIONS=59} [2024-11-09 10:49:57,957 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 19 predicate places. [2024-11-09 10:49:57,958 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 59 transitions, 335 flow [2024-11-09 10:49:57,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:57,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:57,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:57,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 10:49:57,959 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:57,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:57,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1495295746, now seen corresponding path program 5 times [2024-11-09 10:49:57,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:57,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430875615] [2024-11-09 10:49:57,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:57,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:58,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430875615] [2024-11-09 10:49:58,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430875615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:58,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:58,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 10:49:58,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483942747] [2024-11-09 10:49:58,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:58,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 10:49:58,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:58,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 10:49:58,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 10:49:58,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-11-09 10:49:58,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 59 transitions, 335 flow. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:58,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:58,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-11-09 10:49:58,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:58,229 INFO L124 PetriNetUnfolderBase]: 454/899 cut-off events. [2024-11-09 10:49:58,229 INFO L125 PetriNetUnfolderBase]: For 1788/1794 co-relation queries the response was YES. [2024-11-09 10:49:58,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2767 conditions, 899 events. 454/899 cut-off events. For 1788/1794 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4576 event pairs, 131 based on Foata normal form. 20/886 useless extension candidates. Maximal degree in co-relation 1367. Up to 308 conditions per place. [2024-11-09 10:49:58,233 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 40 selfloop transitions, 14 changer transitions 24/92 dead transitions. [2024-11-09 10:49:58,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 92 transitions, 612 flow [2024-11-09 10:49:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 10:49:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 10:49:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 221 transitions. [2024-11-09 10:49:58,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5637755102040817 [2024-11-09 10:49:58,235 INFO L175 Difference]: Start difference. First operand has 72 places, 59 transitions, 335 flow. Second operand 8 states and 221 transitions. [2024-11-09 10:49:58,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 92 transitions, 612 flow [2024-11-09 10:49:58,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 92 transitions, 554 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-11-09 10:49:58,238 INFO L231 Difference]: Finished difference. Result has 71 places, 49 transitions, 256 flow [2024-11-09 10:49:58,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=256, PETRI_PLACES=71, PETRI_TRANSITIONS=49} [2024-11-09 10:49:58,238 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 18 predicate places. [2024-11-09 10:49:58,239 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 49 transitions, 256 flow [2024-11-09 10:49:58,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:58,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:49:58,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:49:58,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 10:49:58,239 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:49:58,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:49:58,240 INFO L85 PathProgramCache]: Analyzing trace with hash -344408210, now seen corresponding path program 2 times [2024-11-09 10:49:58,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:49:58,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827543288] [2024-11-09 10:49:58,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:49:58,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:49:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:49:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:49:58,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:49:58,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827543288] [2024-11-09 10:49:58,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827543288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:49:58,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:49:58,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 10:49:58,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151006108] [2024-11-09 10:49:58,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:49:58,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 10:49:58,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:49:58,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 10:49:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 10:49:58,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-11-09 10:49:58,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 49 transitions, 256 flow. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:58,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:49:58,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-11-09 10:49:58,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:49:58,443 INFO L124 PetriNetUnfolderBase]: 153/329 cut-off events. [2024-11-09 10:49:58,444 INFO L125 PetriNetUnfolderBase]: For 428/434 co-relation queries the response was YES. [2024-11-09 10:49:58,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 329 events. 153/329 cut-off events. For 428/434 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1167 event pairs, 52 based on Foata normal form. 20/342 useless extension candidates. Maximal degree in co-relation 607. Up to 125 conditions per place. [2024-11-09 10:49:58,445 INFO L140 encePairwiseOnDemand]: 39/49 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2024-11-09 10:49:58,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 398 flow [2024-11-09 10:49:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 10:49:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 10:49:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 201 transitions. [2024-11-09 10:49:58,448 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5127551020408163 [2024-11-09 10:49:58,448 INFO L175 Difference]: Start difference. First operand has 71 places, 49 transitions, 256 flow. Second operand 8 states and 201 transitions. [2024-11-09 10:49:58,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 398 flow [2024-11-09 10:49:58,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 64 transitions, 335 flow, removed 7 selfloop flow, removed 12 redundant places. [2024-11-09 10:49:58,449 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-11-09 10:49:58,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2024-11-09 10:49:58,450 INFO L277 CegarLoopForPetriNet]: 53 programPoint places, 7 predicate places. [2024-11-09 10:49:58,450 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-11-09 10:49:58,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:49:58,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-09 10:49:58,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-09 10:49:58,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-09 10:49:58,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-09 10:49:58,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-09 10:49:58,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 10:49:58,456 INFO L407 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2024-11-09 10:49:58,459 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 10:49:58,460 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 10:49:58,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:49:58 BasicIcfg [2024-11-09 10:49:58,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 10:49:58,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 10:49:58,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 10:49:58,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 10:49:58,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:55" (3/4) ... [2024-11-09 10:49:58,471 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 10:49:58,473 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 10:49:58,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 10:49:58,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 10:49:58,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2024-11-09 10:49:58,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-09 10:49:58,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 10:49:58,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 10:49:58,549 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 10:49:58,549 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 10:49:58,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 10:49:58,550 INFO L158 Benchmark]: Toolchain (without parser) took 4257.07ms. Allocated memory was 130.0MB in the beginning and 224.4MB in the end (delta: 94.4MB). Free memory was 60.0MB in the beginning and 125.5MB in the end (delta: -65.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,550 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:49:58,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.09ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 59.8MB in the beginning and 150.8MB in the end (delta: -91.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.37ms. Allocated memory is still 184.5MB. Free memory was 150.8MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,551 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 184.5MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,551 INFO L158 Benchmark]: RCFGBuilder took 420.68ms. Allocated memory is still 184.5MB. Free memory was 146.6MB in the beginning and 114.1MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,551 INFO L158 Benchmark]: TraceAbstraction took 3416.98ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 114.1MB in the beginning and 130.8MB in the end (delta: -16.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,552 INFO L158 Benchmark]: Witness Printer took 82.63ms. Allocated memory is still 224.4MB. Free memory was 130.8MB in the beginning and 125.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 10:49:58,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.09ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 59.8MB in the beginning and 150.8MB in the end (delta: -91.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.37ms. Allocated memory is still 184.5MB. Free memory was 150.8MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 184.5MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.68ms. Allocated memory is still 184.5MB. Free memory was 146.6MB in the beginning and 114.1MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3416.98ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 114.1MB in the beginning and 130.8MB in the end (delta: -16.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 82.63ms. Allocated memory is still 224.4MB. Free memory was 130.8MB in the beginning and 125.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 71]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 75 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 253 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1176 IncrementalHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 11 mSDtfsCounter, 1176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=5, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 10:49:58,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE